| Abbreviation | Definition |
|---|---|
| CTA | Canada Transport Act |
| CTAA | Canadian Technical Asphalt Association |
| CTAB | Canadian Technology Accreditation Board |
| CTACS | Canadian Tax and Credit Simulator |
| CTAF | Canadian Trial of Atrial Fibrillation |
| CTAS | Canadian Triage Acuity Scale |
| CTAS | Canadian Triage and Acuity Scale |
| CTBC | Canadian Tamil Broadcasting Corporation |
| CTBS | Canadian Tests Of Basic Skills |
| CTC | Canadian Test Centre |
| CTCC | Cairn Terrier Club of Canada |
| CTCC | Canadian Touring Car Championship |
| CTCP | Canadian Therapeutic Cannabis Partners |
| CTCRI | Canadian Tobacco Control Research Initiative |
| CTEA | Canadian Transportation Equipment Association |
| CTEIP | Canadian Travelling Exhibitions Indemnification Program |
| CTF | Canadian Taxpayers Federation |
| CTFG | Canadian Tracking and Fusion Group |
| CTFI | Canadian Taekwon Do Federation International |
| CTFS | Canadian Tire Financial Services |